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In a pilot study of 15 patients with active PUB treated with this

In a pilot study of 15 patients with active PUB treated with this nanopowder, immediate hemostasis was achieved in 93%, and one patient had recurrent bleeding. No adverse events were reported during the follow-up. Further studies with this product are ongoing [123]. Early endoscopy (within 24 h) in PUB results in significantly reduction of the hospital stay and improvement of the outcome. Dual endoscopic therapy, rather than monotherapy, led to substantial reductions in rate of recurrent bleeding, surgery and mortality . Postendoscopic management Pharmacotherapy plays a second major

role in the treatment of PUB. PPIs can be administered orally or intravenously depending on the rebleeding risk. In a randomized placebo-controlled trial of 767 PUB patients treated with Cytoskeletal Signaling inhibitor endoscopic therapy because of high-risk

stigmata, high-dose intravenous PPIs (80 mg esomeprazole bolus plus 8 mg/h continuous infusion for 72 h) significantly reduced rebleeding (5.9% vs. 10.3%, P = 0.03) and the need for endoscopic retreatment [124]. Similar results were found by meta-analysis; high-dose intravenous PPIs after endoscopic therapy significantly reduced rebleeding, need for surgery and mortality compared with placebo/no therapy [125]. PPIs are recommended for 6–8 weeks following UGIB and/or endoscopic treatment of PUD to allow mucosal healing [126]. Once mucosal healing has been achieved, how long it should last the PPIs use is still controversial. Studies have shown that in patients who have PUD complicated by bleeding, selleck there is a 33% risk of rebleeding in 1–2 years. Furthermore, there is a 40%-50% rebleeding risk over the subsequent 10 years following the initial episode of bleeding

[100]. Randomized prospective trials have demonstrated a benefit to long-term acid-suppression therapy in two settings: chronic NSAID users and H. pylori-infected patients [127]. Testing for H. pylori is recommended in all patients with PUB. This should be followed by eradication therapy for those who are H. pylori-positive, with subsequent assessment of the effect of this therapy, and renewed treatment in those in whom eradication Thiamet G fails [86]. High-dose continuous intravenous PPIs is recommended in patients with PUB and high-risk stigmata. Continued and recurrent bleeding Despite adequate initial endoscopic therapy, recurrent UGIB can occur in up to 24% of high-risk patients [98]. Mortality after a surgical salvage in the recent UK National Audit was 29% [128]. Large ulcers located in the posterior bulbar duodenum and lesser curvature of stomach can erode into the gastroduodenal or the left gastric artery, respectively, which are predictive of endoscopic treatment failure. These ulcers often occur in elderly patients who present with a major bleed in shock and low initial haemoglobin concentrations [129]. Patients with massive bleeding who do not respond to endoscopy are often shifted to surgical treatment.